Tradition, I guess.
In the Age of Sequences, Eliezer sometimes posted rationality quotes, in the article text (1, 2, 3, etc.). Things written by Eliezer in that era are probably automatically considered Main-level. And the new Rationality Quotes threads don't seem worse than the traditional ones -- if we look at the highly voted quotes.
Things written by Eliezer in that era are probably automatically considered Main-level.
Well, discussion didn't exist back than.
Another month has passed and here is a new rationality quotes thread. The usual rules are: